[fsp] Decouple file_service_provider::Service.

chrome/browser/chromeos/file_system_provider/observer.h

Index: chrome/browser/chromeos/file_system_provider/observer.h
diff --git a/chrome/browser/chromeos/file_system_provider/observer.h b/chrome/browser/chromeos/file_system_provider/observer.h
index be4dc6699dadd1cccf37b0b21f77a4a30aba4c1f..3f6347b6e5d9bbae5f177dff3135a3be4a705d91 100644
--- a/chrome/browser/chromeos/file_system_provider/observer.h
+++ b/chrome/browser/chromeos/file_system_provider/observer.h
@@ -12,7 +12,7 @@
 namespace chromeos {
 namespace file_system_provider {
 
-class ProvidedFileSystem;
+class ProvidedFileSystemInfo;
 
 // Observes file_system_provider::Service for mounting and unmounting events.
 class Observer {
@@ -20,14 +20,15 @@ class Observer {
   // Called when a file system mounting has been invoked. For success, the
   // |error| argument is set to FILE_OK. Otherwise, |error| contains a specific
   // error code.
-  virtual void OnProvidedFileSystemMount(const ProvidedFileSystem& file_system,
-                                         base::File::Error error) = 0;
+  virtual void OnProvidedFileSystemMount(
+      const ProvidedFileSystemInfo& file_system_info,
+      base::File::Error error) = 0;
 
   // Called when a file system unmounting has been invoked. For success, the
   // |error| argument is set to FILE_OK. Otherwise, |error| contains a specific
   // error code.
   virtual void OnProvidedFileSystemUnmount(
-      const ProvidedFileSystem& file_system,
+      const ProvidedFileSystemInfo& file_system_info,
       base::File::Error error) = 0;
 };